i was hoping it'd be a bit more web 2.0 looking....since the smart car is quite "designed" http://www.talksmartcar.com/forums/ that is the ugliest color scheme ever.... i'd go with light and bright blues
cute font you've used in the home page header. I think add some more ads near the footer on home page.
erm.. i quite like the colour although the blue links on the brown background are a bit poor. nice looking site, not sure if it's the "fastest growing site in the world (including Asia)" James.
Colours are kind of ok but I think it might look better in the smartcar types of colours like Blue, Yellow etc... Text is not very good on the eyes also... need to change that. Overall a great idea! I havent seen a smartcar forum before and they are pretty popular cars around the UK.